Features

Nanotech on Display

  • November 2004
  • By Charles C. Mann

South Korea's Samsung leads the race to perfect flat-panel TVs built with carbon nanotubes. Will they be nanotech's first commercial hit?

   

In the Samsung Advanced Institute of Technology, south of Seoul, South Korea, what looks from a distance like an ordinary 38-inch television plays an endless loop of commercials for James Bond movies. Like the displays increasingly common in American homes, it is a big, flat rectangle of color and motion in a high-tech plastic frame. But unlike the images on an ordinary TV, the ones on this lab model are generated by a layer of carbon nanotubes shooting electrons at a phosphor screen like so many tiny cannonballs. Around the world, television screens are emblems of stodgy domesticity. But this one is in the vanguard of tomorrow's nanotechnological revolution: it could be the first commercial product that brings nanoscale electronics into the middle-class home.

Researchers around the world are racing to perfect this novel type of display, which should be brighter, sharper, and less power-hungry than current flat-panel TVs. For the moment, though, the Samsung institute appears to have the lead. "They are the ones to beat," says Yahachi Saito, lead researcher of a rival group at Nagoya University in Japan. "They have moved very quickly."

 

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